;+
; NAME:
;  SDSS_SPEC_TYPE
;
;
; PURPOSE:
;  Convert the spec class number to a string representing the type of the
;  object.  For example, sdss_spec_type(2) is "GALAXY"
;
;
; CATEGORY:
;  SDSS specific routine.
;
;
; CALLING SEQUENCE:
;  st = sdss_spec_type(spec_cln)
;
; INPUTS:
;  spec_cln: the spec classification number from spectro 1d. This can be an
;            array. 
;
; OUTPUTS:
;  The string version of the classification is returned
;
;
; MODIFICATION HISTORY:
;   Dave Johnston ??/??/??  
;   Added to archive, documented.  Erin Sheldon 15-Aug-2003
;
;-
;
;
;
;  Copyright (C) 2005  Erin Sheldon, NYU.  erin dot sheldon at gmail dot com
;
;    This program is free software; you can redistribute it and/or modify
;    it under the terms of the GNU General Public License as published by
;    the Free Software Foundation; either version 2 of the License, or
;    (at your option) any later version.
;
;    This program is distributed in the hope that it will be useful,
;    but WITHOUT ANY WARRANTY; without even the implied warranty of
;    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;    GNU General Public License for more details.
;
;    You should have received a copy of the GNU General Public License
;    along with this program; if not, write to the Free Software
;    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
;
;


function sdss_spec_type,spec_cln

  types=['UNKNOWN','STAR','GALAXY','QSO','HIZ_QSO','SKY',$
         'STAR_LATE','GAL_EM']

  return,types(spec_cln)
end
